Annoyingly, when I go to that page, even from Google where I found that URL too, I end up at the German homepage www.history.de (no path, the main page). I cannot go to history.com no matter what.
I hate "intelligent" websites as much as I like touchpad microwaves, and that means not at all. Why would anyone assume an enforced(!!!) connection between my geographic location and the language-version of the website?
It's one of the classic falsehoods that programmers (or perhaps more accurately, product managers) believe about localization: that location equals language.
[1]https://www.history.com/articles/pope-conclave-smoke-color